Essential Requirement: To use this app, Chess PGN Master must be installed. Enhance Your Chess Experience with the Ultimate Master Collection! Unlock a treasure trove of over 300,000 historic and iconic chess games, designed to elevate your strategy and skill. This app serves as the perfect companion to Chess PGN Master, seamlessly integrating to offer you an unparalleled chess experience. Key Features: Extensive Database: Access a comprehensive collection of 300,000+ master chess games. Mas